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Finding the Fourth Proportional to 584,862.03, 806,650.92 and 380,977.11

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Solution

The fourth proportional to 584,862.03, 806,650.92 and 380,977.11 is: 525,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,862.03 : 806,650.92 = 380,977.11 : x
  2. Step 2: Convert to fraction form
    584,862.03/806,650.92 = 380,977.11/x
  3. Step 3: Cross multiply
    584,862.03x = 806,650.92 × 380,977.11
  4. Step 4: Simplify right side
    584,862.03x = 307,315,536,280.44
  5. Step 5: Solve for x
    x = 307,315,536,280.44/584,862.03
  6. Step 6: Final answer
    x = 525,449.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.